BS 5659-6:1990
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Methods of test for acid-grade fluorspar Determination of total phosphorus content
Hardcopy , PDF
04-30-1991
English
06-29-1990
Reduced molybdophosphate spectrometric method, applicable to phosphorus contents, expressed as phosphate, in the range 0.01% to 1.0%, by mass. Applies also to ceramic-grade fluorspar.
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